... strength:35-55kg/mm2 5.Elongation rate:10%-25%6.Coil weight: 25kg, 50kg, 100kg, 200kg in normal coils 400~500 ... , handcraft,weaving wire mesh,binding wire ,loop wire and cut wire,etc.9.quote data needed: material+diameter+coil packingBasic black iron wire specification for reference ... .840.90210.810.810.80220.710.710.70More black iron wire pics for reference:With more than 20 years producing experience ...